Frequencies for first 10,000 rows of typeofextracoverageinthega variable in planreport2010 dataset :

Type of Extra Coverage in the |
                          Gap |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                              |      8,504       85.04       85.04
                 All Generics |        104        1.04       86.08
  All Generics and Few Brands |         27        0.27       86.35
                   Few Brands |          4        0.04       86.39
                 Few Generics |        190        1.90       88.29
  Few Generics and Few Brands |        290        2.90       91.19
      Few Generics, Few Brand |        189        1.89       93.08
     Few Generics, Few Brands |         68        0.68       93.76
                Many Generics |        345        3.45       97.21
 Many Generics and Few Brands |          1        0.01       97.22
Many Generics and Some Brands |         15        0.15       97.37
     Many Generics, Few Brand |         30        0.30       97.67
    Many Generics, Few Brands |          7        0.07       97.74
   Many Generics, Some Brands |          7        0.07       97.81
                Some Generics |        185        1.85       99.66
Some Generics and Some Brands |         21        0.21       99.87
    Some Generics, Few Brands |          6        0.06       99.93
   Some Generics, Some Brands |          7        0.07      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 14 Apr 2016